Home / 2,990.23-4,479.19-1,753.90

Finding the Fourth Proportional to 2,990.23, 4,479.19 and 1,753.90

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Solution

The fourth proportional to 2,990.23, 4,479.19 and 1,753.90 is: 2,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.23 : 4,479.19 = 1,753.90 : x
  2. Step 2: Convert to fraction form
    2,990.23/4,479.19 = 1,753.90/x
  3. Step 3: Cross multiply
    2,990.23x = 4,479.19 × 1,753.90
  4. Step 4: Simplify right side
    2,990.23x = 7,856,051.34
  5. Step 5: Solve for x
    x = 7,856,051.34/2,990.23
  6. Step 6: Final answer
    x = 2,627.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.